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Finding the Third Proportional to 38,869 and 61,807

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Solution

The third proportional to 38,869 and 61,807 is: 98,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869 : 61,807 = 61,807 : x
  2. Step 2: Convert to fraction form
    38,869/61,807 = 61,807/x
  3. Step 3: Cross multiply
    38,869x = 61,807 × 61,807
  4. Step 4: Simplify right side
    38,869x = 3,820,105,249
  5. Step 5: Solve for x
    x = 3,820,105,249/38,869
  6. Step 6: Final answer
    x = 98,281.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.